/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package delta.productcatalog.web;

import entity.Orders;
import facade.OrdersFacadeLocal;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;
import javax.ejb.EJB;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.HttpConstraint;
import javax.servlet.annotation.ServletSecurity;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 *
 * @author Ivchenko Oleg
 */
@ServletSecurity(@HttpConstraint(rolesAllowed={"Administrator","Warehouse Employee"}))
@WebServlet(name = "ReportBuildingInJsp", urlPatterns = {"/ReportBuildingInJsp"})
public class ReportBuildingInJsp extends HttpServlet {

     @EJB
    private OrdersFacadeLocal ordersFacade;
    private int idWarhouse;
    private int idUser;
    private String status;
    private int page;
    
    public ReportBuildingInJsp(){
        this.idWarhouse = -1;
        this.idUser = -1;
        this.status = "all";
        this.page = 1;
    }

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            if(request.getParameter("status") != null){
                status = request.getParameter("status");
            }
            else{
                status = "all";
            }
            if(request.getParameter("idWarehouse") != null){
                idWarhouse = Integer.parseInt(request.getParameter("idWarehouse"));
            }
            else{
                idWarhouse = -1;
            }
            if(request.getParameter("idUser") != null){
                idUser = Integer.parseInt(request.getParameter("idUser"));
            }
            else{
                idUser = -1;
            }
            ////////////////////////////////////////////////////////////////////
            //List<Orders> orders = ordersFacade.findOrdersForReport(page, status, idWarhouse, idUser);
            List<Orders> orders = null;
            if(orders == null){
                System.out.println("NULL!");
            }
            int numberOfPages = Math.round(ordersFacade.count() / 10) + 1;
            if(request.getParameter("page") != null){
                if (Integer.parseInt(request.getParameter("page")) < 1) {
                    page = 1;
                } else if (Integer.parseInt(request.getParameter("page")) > numberOfPages) {
                    page = numberOfPages;
                } else {
                    page = Integer.parseInt(request.getParameter("page"));
                }
            }
            else{
                System.out.println("NULL!!!");
            }
            ////////////////////////////////////////////////////////////////////
            HttpSession hs = request.getSession();
            hs.setAttribute("ordersListR", orders);
            hs.setAttribute("countR", numberOfPages);
            RequestDispatcher dispatcher = getServletContext().getRequestDispatcher("/gen_report_on_AllOrders.jsp");
            dispatcher.forward(request, response);
            //response.sendRedirect("gen_report_on_AllOrders.jsp");
        } finally {            
            out.close();
        }
    }


    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
